using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Data;

namespace UltimatePoker
{
    /// <summary>
    /// A converter which adds a $ sign after the cash amount. 
    /// </summary>
    /// <remarks>
    /// It may be easier to simply use a converter instead of a template since binding is used to get the cache value.
    /// </remarks>
	public class CashConverter : IValueConverter
	{
		#region IValueConverter Members

        /// <summary>Converts a value. </summary>
        /// <returns>A converted value. If the method returns null, the valid null value is used.</returns>
        /// <param name="value">The value produced by the binding source.</param>
        /// <param name="targetType">The type of the binding target property.</param>
        /// <param name="parameter">The converter parameter to use.</param>
        /// <param name="culture">The culture to use in the converter.</param>
		public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
		{
			if (value == null)
				return Binding.DoNothing;

			int cashValue = (int)value;
			return cashValue.ToString() + "$";
		}

        /// <summary>Converts a value. </summary>
        /// <returns>A converted value. If the method returns null, the valid null value is used.</returns>
        /// <param name="value">The value that is produced by the binding target.</param>
        /// <param name="targetType">The type to convert to.</param>
        /// <param name="parameter">The converter parameter to use.</param>
        /// <param name="culture">The culture to use in the converter.</param>
		public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
		{
			return null;
		}

		#endregion
	}
}
